B331133131323131133132233133313233313231123313231333132313113313113313111111
>>
B33113313132313113313223313331323331323112331323133313231311331311331311111
<<
B331133131323131133132233133313233313231123313231333132313113313113313111113
>>
B331133131323131133132233133313233313231123313231333132313113313113313111112
>>